122206663 has 2 divisors, whose sum is σ = 122206664. Its totient is φ = 122206662.

The previous prime is 122206657. The next prime is 122206673. The reversal of 122206663 is 366602221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122206663 - 2⁹ = 122206151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122206673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61103331 + 61103332.

It is an arithmetic number, because the mean of its divisors is an integer number (61103332).

Almost surely, 2^122206663 is an apocalyptic number.

122206663 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206663 is an equidigital number, since it uses as much as digits as its factorization.

122206663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 122206663 is about 11054.7122531525. The cubic root of 122206663 is about 496.2474579790.

Adding to 122206663 its reverse (366602221), we get a palindrome (488808884).

The spelling of 122206663 in words is "one hundred twenty-two million, two hundred six thousand, six hundred sixty-three".